mirror of
https://invent.kde.org/network/falkon.git
synced 2024-11-11 17:42:10 +01:00
338 lines
10 KiB
C++
338 lines
10 KiB
C++
/* ============================================================
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* Falkon - Qt web browser
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* Copyright (C) 2010-2017 David Rosca <nowrep@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* ============================================================ */
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#include "websearchbar.h"
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#include "browserwindow.h"
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#include "mainapplication.h"
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#include "tabbedwebview.h"
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#include "webpage.h"
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#include "settings.h"
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#include "qzsettings.h"
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#include "tabwidget.h"
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#include "clickablelabel.h"
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#include "buttonwithmenu.h"
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#include "searchenginesmanager.h"
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#include "searchenginesdialog.h"
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#include "networkmanager.h"
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#include "iconprovider.h"
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#include "scripts.h"
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#include <QMimeData>
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#include <QAbstractItemView>
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#include <QCompleter>
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#include <QStringListModel>
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#include <QMenu>
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#include <QTimer>
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#include <QClipboard>
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#include <QContextMenuEvent>
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WebSearchBar_Button::WebSearchBar_Button(QWidget* parent)
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: ClickableLabel(parent)
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{
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setObjectName("websearchbar-searchbutton");
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setCursor(QCursor(Qt::PointingHandCursor));
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setFocusPolicy(Qt::ClickFocus);
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}
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void WebSearchBar_Button::contextMenuEvent(QContextMenuEvent* event)
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{
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event->accept();
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}
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WebSearchBar::WebSearchBar(BrowserWindow* window)
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: LineEdit(window)
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, m_window(window)
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, m_reloadingEngines(false)
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{
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setObjectName("websearchbar");
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setDragEnabled(true);
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m_buttonSearch = new WebSearchBar_Button(this);
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m_boxSearchType = new ButtonWithMenu(this);
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m_boxSearchType->setObjectName("websearchbar-searchprovider-comobobox");
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// RTL Support
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// If we don't add 'm_boxSearchType' by following code, then we should use suitable padding-left value
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// but then, when typing RTL text the layout dynamically changed and within RTL layout direction
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// padding-left is equivalent to padding-right and vice versa, and because style sheet is
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// not changed dynamically this create padding problems.
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addWidget(m_boxSearchType, LineEdit::LeftSide);
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addWidget(m_buttonSearch, LineEdit::RightSide);
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connect(m_buttonSearch, SIGNAL(clicked(QPoint)), this, SLOT(search()));
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connect(m_buttonSearch, SIGNAL(middleClicked(QPoint)), this, SLOT(searchInNewTab()));
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connect(m_boxSearchType, SIGNAL(activeItemChanged(ButtonWithMenu::Item)), this, SLOT(searchChanged(ButtonWithMenu::Item)));
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setWidgetSpacing(0);
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m_searchManager = mApp->searchEnginesManager();
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connect(m_boxSearchType->menu(), SIGNAL(aboutToShow()), this, SLOT(aboutToShowMenu()));
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m_completer = new QCompleter(this);
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m_completer->setCompletionMode(QCompleter::UnfilteredPopupCompletion);
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m_completerModel = new QStringListModel(this);
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m_completer->setModel(m_completerModel);
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m_completer->popup()->setMinimumHeight(90);
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setCompleter(m_completer);
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connect(m_completer->popup(), &QAbstractItemView::activated, this, &WebSearchBar::search);
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m_openSearchEngine = new OpenSearchEngine(this);
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m_openSearchEngine->setNetworkAccessManager(mApp->networkManager());
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connect(m_openSearchEngine, SIGNAL(suggestions(QStringList)), this, SLOT(addSuggestions(QStringList)));
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connect(this, SIGNAL(textEdited(QString)), m_openSearchEngine, SLOT(requestSuggestions(QString)));
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editAction(PasteAndGo)->setText(tr("Paste And &Search"));
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editAction(PasteAndGo)->setIcon(QIcon::fromTheme(QSL("edit-paste")));
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connect(editAction(PasteAndGo), SIGNAL(triggered()), this, SLOT(pasteAndGo()));
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QTimer::singleShot(0, this, SLOT(setupEngines()));
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}
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void WebSearchBar::aboutToShowMenu()
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{
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QMenu* menu = m_boxSearchType->menu();
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menu->addSeparator();
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m_window->weView()->page()->runJavaScript(Scripts::getOpenSearchLinks(), WebPage::SafeJsWorld, [this, menu](const QVariant &res) {
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const QVariantList &list = res.toList();
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Q_FOREACH (const QVariant &val, list) {
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const QVariantMap &link = val.toMap();
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QUrl url = m_window->weView()->url().resolved(link.value(QSL("url")).toUrl());
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QString title = link.value(QSL("title")).toString();
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if (url.isEmpty())
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continue;
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if (title.isEmpty())
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title = m_window->weView()->title();
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menu->addAction(m_window->weView()->icon(), tr("Add %1 ...").arg(title), this, SLOT(addEngineFromAction()))->setData(url);
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}
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menu->addSeparator();
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menu->addAction(IconProvider::settingsIcon(), tr("Manage Search Engines"), this, SLOT(openSearchEnginesDialog()));
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});
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}
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void WebSearchBar::addSuggestions(const QStringList &list)
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{
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if (qzSettings->showSearchSuggestions) {
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QStringList list_ = list.mid(0, 6);
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m_completerModel->setStringList(list_);
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m_completer->complete();
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}
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}
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void WebSearchBar::openSearchEnginesDialog()
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{
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if (!m_searchDialog)
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m_searchDialog = new SearchEnginesDialog(this);
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m_searchDialog->open();
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m_searchDialog->raise();
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m_searchDialog->activateWindow();
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}
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void WebSearchBar::enableSearchSuggestions(bool enable)
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{
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Settings settings;
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settings.beginGroup("SearchEngines");
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settings.setValue("showSuggestions", enable);
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settings.endGroup();
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qzSettings->showSearchSuggestions = enable;
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m_completerModel->setStringList(QStringList());
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}
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void WebSearchBar::setupEngines()
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{
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disconnect(m_searchManager, SIGNAL(enginesChanged()), this, SLOT(setupEngines()));
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m_reloadingEngines = true;
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QString activeEngine = m_searchManager->startingEngineName();
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if (m_boxSearchType->allItems().count() != 0) {
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activeEngine = m_activeEngine.name;
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}
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m_boxSearchType->clearItems();
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foreach (const SearchEngine &en, m_searchManager->allEngines()) {
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ButtonWithMenu::Item item;
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item.icon = en.icon;
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item.text = en.name;
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QVariant v;
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v.setValue<SearchEngine>(en);
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item.userData = v;
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m_boxSearchType->addItem(item);
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if (item.text == activeEngine) {
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m_boxSearchType->setCurrentItem(item, false);
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}
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}
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searchChanged(m_boxSearchType->currentItem());
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connect(m_searchManager, SIGNAL(enginesChanged()), this, SLOT(setupEngines()));
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m_reloadingEngines = false;
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}
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void WebSearchBar::searchChanged(const ButtonWithMenu::Item &item)
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{
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setPlaceholderText(item.text);
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m_completerModel->setStringList(QStringList());
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m_activeEngine = item.userData.value<SearchEngine>();
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m_openSearchEngine->setSuggestionsUrl(m_activeEngine.suggestionsUrl);
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m_openSearchEngine->setSuggestionsParameters(m_activeEngine.suggestionsParameters);
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m_searchManager->setActiveEngine(m_activeEngine);
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if (qzSettings->searchOnEngineChange && !m_reloadingEngines && !text().isEmpty()) {
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search();
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}
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}
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void WebSearchBar::instantSearchChanged(bool enable)
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{
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Settings settings;
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settings.beginGroup("SearchEngines");
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settings.setValue("SearchOnEngineChange", enable);
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settings.endGroup();
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qzSettings->searchOnEngineChange = enable;
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}
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void WebSearchBar::search()
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{
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m_window->weView()->setFocus();
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m_window->weView()->load(m_searchManager->searchResult(m_activeEngine, text()));
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}
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void WebSearchBar::searchInNewTab()
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{
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int index = m_window->tabWidget()->addView(QUrl());
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m_window->weView(index)->setFocus();
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m_window->weView(index)->load(m_searchManager->searchResult(m_activeEngine, text()));
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}
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void WebSearchBar::addEngineFromAction()
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{
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if (QAction* action = qobject_cast<QAction*>(sender())) {
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m_searchManager->addEngine(action->data().toUrl());
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}
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}
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void WebSearchBar::pasteAndGo()
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{
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clear();
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paste();
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search();
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}
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void WebSearchBar::contextMenuEvent(QContextMenuEvent* event)
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{
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Q_UNUSED(event)
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QMenu* menu = createContextMenu();
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menu->setAttribute(Qt::WA_DeleteOnClose);
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menu->addSeparator();
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QAction* act = menu->addAction(tr("Show suggestions"));
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act->setCheckable(true);
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act->setChecked(qzSettings->showSearchSuggestions);
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connect(act, SIGNAL(triggered(bool)), this, SLOT(enableSearchSuggestions(bool)));
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QAction* instantSearch = menu->addAction(tr("Search when engine changed"));
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instantSearch->setCheckable(true);
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instantSearch->setChecked(qzSettings->searchOnEngineChange);
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connect(instantSearch, SIGNAL(triggered(bool)), this, SLOT(instantSearchChanged(bool)));
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// Prevent choosing first option with double rightclick
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QPoint pos = event->globalPos();
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pos.setY(pos.y() + 1);
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menu->popup(pos);
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}
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void WebSearchBar::focusOutEvent(QFocusEvent* e)
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{
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if (text().isEmpty()) {
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QString search = m_boxSearchType->currentItem().text;
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setPlaceholderText(search);
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}
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LineEdit::focusOutEvent(e);
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}
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void WebSearchBar::dropEvent(QDropEvent* event)
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{
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if (event->mimeData()->hasText()) {
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QString dropText = event->mimeData()->text();
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setText(dropText);
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search();
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QFocusEvent event(QFocusEvent::FocusOut);
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LineEdit::focusOutEvent(&event);
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return;
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}
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LineEdit::dropEvent(event);
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}
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void WebSearchBar::keyPressEvent(QKeyEvent* event)
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{
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switch (event->key()) {
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case Qt::Key_V:
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if (event->modifiers() == (Qt::ControlModifier | Qt::ShiftModifier)) {
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pasteAndGo();
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event->accept();
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return;
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}
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break;
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case Qt::Key_Return:
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case Qt::Key_Enter:
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if (event->modifiers() == Qt::AltModifier) {
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searchInNewTab();
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}
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else {
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search();
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}
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break;
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case Qt::Key_Up:
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if (event->modifiers() == Qt::ControlModifier) {
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m_boxSearchType->selectPreviousItem();
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}
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break;
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case Qt::Key_Down:
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if (event->modifiers() == Qt::ControlModifier) {
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m_boxSearchType->selectNextItem();
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}
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break;
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default:
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break;
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}
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LineEdit::keyPressEvent(event);
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}
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